Bio 1002 quiz 2

Bio 1002 quiz 2 - Bio 1002 quiz 2 1. White blood cells that...

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Bio 1002 quiz 2 1. White blood cells that produce antibodies are called _____. a. Plasma Cells 2. What characteristics of the skin make it such a formidable barrier to infectious agents? a. The outer surface is dry, dead cells filled with tough proteins, such as those in hair and nails. 3. Why are mucosal surfaces considered to be inhospitable places for microbial growth? a. Mucus contains antibacterial proteins. 4. Macrophages and natural killer cells are both leukocytes and both are considered part of the innate immune response. What is the significant difference between them? a. Macrophages destroy bacteria; natural killer cells destroy cells that are cancerous or infected with viruses. 5. Histamine is a chemical substance responsible for characteristics of the inflammatory response. Which cells produce it? a. mast cells 6. What is the origin of immune cells? a. stem cells in bone marrow 7. Which of the following is a true statement? a.
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This note was uploaded on 09/29/2011 for the course BIOL 1002 taught by Professor Pomarico during the Spring '08 term at LSU.

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Bio 1002 quiz 2 - Bio 1002 quiz 2 1. White blood cells that...

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